Metal texture-simulated coating and preparation method thereof

A texture coating and metal imitation technology, applied in polyester coatings, polycarbonate coatings, metal-free paints, etc., can solve problems such as inability to produce metal effects, air pollution in the car, and easy residual monomers in coatings. High metal texture, excellent mechanical properties, high surface gloss effect

Inactive Publication Date: 2018-01-23
GUANGDONG VALSPAR CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method still requires a spraying process, and the coating is prone to residual monomers, causing air pollution in the car
CN101392077A discloses a polypropylene coloring masterbatch with pearlescent in

Method used

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  • Metal texture-simulated coating and preparation method thereof

Examples

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Embodiment 1

[0027] A metal-like texture paint, comprising the following parts by weight: 110 parts by weight of acrylic resin emulsion, 35 parts by weight of flake aluminum powder with a particle diameter of 10 microns, 18 parts by weight of talcum powder with a particle diameter of 30 microns, phosphite 4 parts by weight, 15 parts by weight of ethylene-propylene copolymer, 5 parts by weight of ethylene-octene copolymer grafted maleic anhydride, and 2 parts by weight of diethylenetriaminopropyltrimethoxysilane.

[0028] Wherein, the particle diameter of the flake metal pigment is 1-50 microns.

[0029] The preparation method of described imitation metallic texture paint, the steps are as follows:

[0030] (1) Add flake aluminum powder and ethylene-octene copolymer grafted maleic anhydride to acrylic resin emulsion, add diethylenetriaminopropyltrimethoxysilane, mix in a mixer for 50min, and then add talc powder , ultrasonically disperse at 60°C for 30 minutes, and then stand still for 40 ...

Embodiment 2

[0033] A metal-like texture paint, made of the following parts by weight: 120 parts by weight of polyethylene terephthalate emulsion, 40 parts by weight of flaky aluminum powder with a particle diameter of 50 microns, and 40 parts by weight of aluminum powder with a particle diameter of 35 microns 15 parts by weight of barium sulfate, 5 parts by weight of hindered phenolic antioxidant, 18 parts by weight of ethylene-octene copolymer, 3 parts by weight of ethylene-octene copolymer grafted maleic anhydride, aminoethylaminopropyl triethoxy 5 parts by weight of base silane.

[0034] The preparation method of described imitation metallic texture paint, the steps are as follows:

[0035] (1) Add flake aluminum powder and ethylene-octene copolymer grafted maleic anhydride to polyethylene terephthalate emulsion, add aminoethylaminopropyl triethoxysilane, and Mix in medium for 45 minutes, then add barium sulfate, ultrasonically disperse at 60°C for 30 minutes, and then stand still for...

Embodiment 3

[0038] A kind of imitation metallic texture paint, is made of following material by weight: polycarbonate latex 100 weight parts, particle diameter is 30 weight parts of flake copper powder of 5 micrometers, particle diameter is 20 weight parts of calcium carbonate of 40 micrometers, 3 parts by weight of benzophenones, 10 parts by weight of ethylene-octene copolymer, 6 parts by weight of polypropylene grafted maleic anhydride, and 1 part by weight of diethylenetriaminopropyltrimethoxysilane.

[0039] The preparation method of described imitation metallic texture paint, the steps are as follows:

[0040] (1) Add flake copper powder and polypropylene grafted maleic anhydride in the polycarbonate emulsion, add divinyltriaminopropyltrimethoxysilane, mix in the mixer for 60min, then add calcium carbonate, at 60 Ultrasonic dispersion at ℃ for 25 minutes, and then stand still for 35 minutes to obtain the mixed system 1;

[0041] (2) Add benzophenones and ethylene-octene copolymer to...

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Abstract

The invention belongs to the technical field of coating, and in particular relates to metal texture-simulated coating and a preparation method thereof. The metal texture-simulated coating comprises the following materials in parts by weight: 100 to 150 parts of polymer emulsion, 20 to 45 parts of sheet-like metal pigment, 10 to 25 parts of inorganic fillers, 2 to 8 parts of an antioxidant, 5 to 20parts of a toughening agent, 3 to 6 parts of a solubilizer and 1 to 5 parts of a surface treating agent, wherein the grain size of the sheet-like metal pigment is 1 to 50 microns. The metal texture-simulated coating has excellent mechanical property, high surface glossiness and metal texture.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a metal-imitating texture coating and a preparation method thereof. Background technique [0002] In recent years, with the continuous enhancement of people's awareness of environmental protection, more and more attention has been paid to coatings with metallic texture. As a general practice, the aluminum powder mentioned is actually tiny aluminum flakes, which are dispersed into the matrix resin and parallel to the substrate. Many aluminum powders are connected to each other, and the large and small particles fill each other to form a continuous metal film, covering the substrate. , showing a metallic texture. If the pearlescent pigment is added at the same time, the metallic texture of the plastic surface will be more obvious. This is because the pearlescent pigment has a special physical structure. When it is illuminated by light, it will reflect the pearlescent effect throug...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D167/02C09D169/00C09D5/38C09D7/61C09D7/63C09D7/65
Inventor 黄宏亭袁海兵廖基林谢志超张海军黄冠陪刘振兴
Owner GUANGDONG VALSPAR CHEM IND
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